Windows xp laptop black screen

Please help.my laptop cursor froze and i had to turn it off with switch now i can hear the motor and fan running but screen stays black.my nephew fixed it last and it has being saying counterfit windows and also low battery but motor would not run if it was battery would it?i am disabled and my laptop is important to me if you could help i would be ever thankful.kathy

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That blinking cursor is the way in which the BIOS of the laptop is telling you that it can't load Windows because it's too corrupt There's nothing more you can do apart a full reinstall. Use the recovery disk that has came with the laptop when you bought it.

I've heard a lot about freezing problems on toshiba as well as others like this. Most common issues are one of two things. One is a damaged RAM module. The second is one of the video card chip sets have fried or are slightly overheating causing the laptop to shut down. Most common with Nvidea and ATI Radeon series graphics cards.

Which version of Windows are you running? It sounds like you may need to reinstall your operating system. It is fairly simple to do this with windows xp without losing everything you have saved and installed.

Go into bios screen and set the settings to optimal default and save then try again. if this gives you no results try f8 at the windows starting screen and safe boot if this allows you to enter window in safe mode your problem is outdated drivers. try any old vga video card and again see if you can enter windows normaly. and remember do not get frustrated this is how we all learn how to fixya.